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50 lines
1.5 KiB
Diff
50 lines
1.5 KiB
Diff
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From: Alan Cox <alan@redhat.com>
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To: Alessandro Zummo <alessandro.zummo@towertech.it>
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Cc: Jeff Garzik <jgarzik@redhat.com>, Alan Cox <alan@redhat.com>
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Subject: Re: drivers/ata/pata_artop.c
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Date: Sun, 15 Oct 2006 14:25:16 -0400
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User-Agent: Mutt/1.4.1i
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On Sun, Oct 15, 2006 at 07:18:31PM +0200, Alessandro Zummo wrote:
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> In the discovery phase there's a lot of time spent in the detection
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> of the second port.
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The error recovery is a bit determined right now - Tejun's been doing some
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work on SRST behaviour and also for the worst cases polled detect so it
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should come out ok
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> What's the correct way to inform the driver
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> to avoid checking the second port?
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Set the number of ports to 1 in your own tree for now. The real fix is
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not to go poking at pata ports if the ret is 0xFF
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---
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drivers/ata/pata_artop.c | 6 ++++++
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1 file changed, 6 insertions(+)
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Index: linux-2.6.19/drivers/ata/pata_artop.c
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===================================================================
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--- linux-2.6.19.orig/drivers/ata/pata_artop.c
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+++ linux-2.6.19/drivers/ata/pata_artop.c
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@@ -26,6 +26,7 @@
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#include <scsi/scsi_host.h>
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#include <linux/libata.h>
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#include <linux/ata.h>
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+#include <asm/mach-types.h>
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#define DRV_NAME "pata_artop"
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#define DRV_VERSION "0.4.2"
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@@ -469,6 +470,11 @@ static int artop_init_one (struct pci_de
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pci_read_config_byte(pdev, 0x4a, ®);
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pci_write_config_byte(pdev, 0x4a, (reg & ~0x01) | 0x80);
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+ /* NAS100D workaround */
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+#ifdef CONFIG_MACH_NAS100D
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+ if (machine_is_nas100d())
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+ ports = 1;
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+#endif
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}
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BUG_ON(info == NULL);
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